n. & adj.
--n.
1. a speech sound in which the breath is at least partly obstructed, and which to form a syllable must be combined with a vowel.
2 a letter or letters representing this.
--adj. (foll. by with, to)
1. consistent; in agreement or harmony.
2 similar in sound.
3 Mus. making a concord.
Derivatives:
consonantal adj. consonantly adv.
Etymology: ME f. F f. L consonare (as com-, sonare sound f. sonus)